The blade is made of triple laminated stainless steel

the Reactor Extreme uses a heavier version of THERMOLITE®  to provide extra warmth for an incredibly comfortable night’s sleep

Open Length: 8

Waterproof

Perfect midlayer for winter

Patagonia Men's Down Sweater Made in USA The blade is made ofThe perfect warmth for just about everything, our classic Down Sweater is lightweight and windproof with a 100% recycled polyester ripstop shell and 800 fill power Traceable Down (800 fill power goose down from geese traced from parent farm to apparel factory to help ensure the birds that supply it are not force fed or live plucked, as certified by NSF, an independent third party). Features Durable shell fabric is made of 100% recycled polyester